ERM Sims LLC is a software development company focused on creating training tools for aviation maintenance professionals. We understand the importance of staying current in this industry, and are committed to providing easy-to-use software that helps aviation professionals do just that. Our team is dedicated to continuously improving our tools to meet the evolving needs of maintenance personnel. We are proud to support the crucial work of these professionals and are committed to providing the resources they need to succeed.

Our Mobile Products

Maintenance

A320 CFDS
Maintenance Trainer LITE

About

Welcome to the LITE version of the A320 MCDU Simulator, meticulously crafted by maintenance professionals, for maintenance professionals. This edition includes the latest options, and is perfect for those who want to acquaint themselves with the core functions of the A320 CFDS.

Please note: This app is designed for maintenance training only. While FMS pages are included, they are static reference displays to help maintenance personnel understand menu navigation. The FMS functionality is not interactive and not intended for pilot training.

Main Features:

✈ Basic creation of PFR (with or without faults).

✈ Effortless navigation through CFDS System test menus and submenus.

✈ Access to both CFDS Normal and Menu Modes.

✈ Exploration of Static FMS menus.

✈ Dive into ATSU (ATC & AOC Com) Menus.

✈ Optimized for older hardware.

✈ Compatible with Android Emulators for seamless studying. Tutorial Here

✈ Zero distractions – No Ads, ever.

✈ No Internet Required.

View Release Notes

A320 CFDS
Maintenance Trainer

About

For aviation maintenance professionals committed to the highest standards of expertise, we present the Ultimate A320 CFDS Training Trainer. Go beyond basic training with an advanced, in-depth exploration of the CFDS. Our sophisticated tool empowers you with BITE functionality, analytical capabilities, and real-world scenarios. Sharpen your skills and enhance your understanding of CFDS with this indispensable resource, meticulously designed to equip you for the complexities of aircraft maintenance – no on-board practice necessary. Invest in quality, precision, and efficiency with the A320 CFDS Maintenance Trainer.

Please note: This app is designed for maintenance training only. While FMS pages are included, they are static reference displays to help maintenance personnel understand menu navigation. The FMS functionality is not interactive and not intended for pilot training.

Main Features:

✈ Get New Updates first hand before the LITE version.

✈ Full BITE & GROUND Test menus with faults or no faults.

✈ Realistic BITE wait time or skip to a 3 second fast timer.

✈ MCDU Keyboard inputs for BITE test and CFDS Menus.

✈ Flap handle control to simulate flap movement (Specific to Slat & Flap PPU).

✈ CAT3 Land Test Menu.

✈ Full Type 1, 2, and 3 LRU menu navigation.

✈ Real part numbers in LRU Identification pages.

✈ Most up-to-date CFDS menus.

✈ Get more info on FMS pages (For maintenance understanding, no FMS interactivity).

✈ Add multiple faults, with Last Leg Reports, Ground Scanning.

✈ Create a PFR with and without faults.

✈ Filter a PFR.

✈ CFDS Menu Mode (Ground) and Normal Modes (Flight).

✈ CFDS Last leg and Last Leg Ecam pages, including previous legs reports.

✈ Dynamic Avionics Page (Shows Class 1, 2, and 3 faults).

✈ Real BITE Test Aural alerts.

✈ Page in-dept learning with buttons on references that link you straight to AirnavX.

✈ No Internet Required.

✈ Compatible with Android Emulators for seamless studying. Tutorial Here

View Release Notes

A330 CMS
Maintenance Trainer

Introducing: A330 CMS Trainer

Coming Q3 2025 for iOS and Android, our newest maintenance training simulator joins the successful A320 CFDS Trainer family. Experience the same comprehensive training approach, now tailored for A330 CMS operations.

JOIN BETA HERE

Limited spots available. Selected participants receive early access and development input.

Cabin

A320 Flight Attendant Simulator

About

Welcome to the latest addition to our lineup of high-fidelity simulators—the A320 Flight Attendant Simulator. This meticulously crafted tool is designed to mirror the real-world FAP (Flight Attendant Panel), making it an indispensable resource for both flight attendant training and maintenance personnel.

Experience a simulator that goes beyond the basics, offering you an unparalleled level of realism and customization:

Welcome to the latest addition to our lineup of high-fidelity simulators—the A320 Flight Attendant Simulator. This meticulously crafted tool is designed to mirror the real-world FAP (Flight Attendant Panel), making it an indispensable resource for both flight attendant training and maintenance personnel.

Experience a simulator that goes beyond the basics, offering you an unparalleled level of realism and customization:

✈ Custom Screen Saver: Customizable static or animated PNG image with a bouncy effect.

✈ Customizable Lavatory Positions: Includes support for FLEX cabin LAV configurations and multiple LAV configurations.

✈ Multiple Aircraft Models: Switch seamlessly between A318, A319, A320, A321, and A321ACF (Cabin Flex & L3 door).

✈ Waste & Potable Water Levels: Adjust levels to simulate real-world scenarios.

✈ Boarding or Flight Modes: Choose between Boarding or Cruise configurations.

✈ Temperature Modification: Select between Celsius and Fahrenheit for cabin temperature settings, Realistic temperature changes during adjustment from cockpit panel or FAP.

✈ Door Statuses: Modify door statuses (Open, Closed, Armed) as required.

✈ Cabin Temperature Control: Set temperatures for different zones, including cockpit control panel adjustments.

✈ Attendant Panels Simulation: AIP, ACP, and Aural Alerts for Smoke and EVAC scenarios.

✈ Pre-recorded Announcements: Safety Introduction, Briefing, No Smoking, Fasten Seat Belt, Before Landing, After Landing, Decompression, Electronic Devices, and Turbulence in English, Spanish, and French.

✈ Custom Access Code: Modify 3 digit access codes.

✈ In Service Simulation: Simulate water and waste service operations with List Box messages.

✈ Cabin Assignment Module (CAM): Adjustable seat settings per cabin assignment, supporting 1, 2, or 3 zone layouts. Preloaded configurations are modifiable.

✈ PA Level Adjustments: Customize PA levels for different areas and CAM adjustments.

✈ Simulated MCDU CIDS Menus: Interactive menus to enhance training experience.

✈ Software Loading Capability: Load CIDS & FAP software via OBRM.

✈ Display & Volume Control: Adjustable display brightness, loudspeaker volume, and touchscreen click sound.

✈ Removable Modules: Cabin Assignment (CAM), Programmable Announcement Module (PRAM), and Onboard Removal Module (OBRM).

✈ 36 Fault Scenarios: Realistic fault conditions affecting various pages, Blue Cards, List Boxes, and Info Items with Blinking Caution indication.

✈ Persistent Configuration: Settings are saved across sessions for consistent training.

Our Mobile Products

Maintenance

A320 CFDSMaintenance Trainer LITE

About

A320 CFDSMaintenance Trainer

About

A330 CMS Maintenance Trainer

Cabin

A320 Flight Attendant Simulator

About

A320 CFDS
Maintenance Trainer LITE

A320 CFDS
Maintenance Trainer

A330 CMS
Maintenance Trainer